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<h1>Dysprosium sesquioxide, Dy<sub>2</sub>O<sub>3</sub> </h1>

Dysprosium sesquioxide (Dy<sub>2</sub>O<sub>3</sub>) is a rare-earth oxide that can exist in several crystalline phases. Its optical properties, such as a high refractive index and low absorption coefficients in the infrared region, make it interesting for specialized optical applications. It is also used as a raw material for producing dysprosium metal and various dysprosium compounds. Dy<sub>2</sub>O<sub>3</sub> can be incorporated into glass, ceramics, and crystal hosts to modify their optical, electrical, and mechanical properties. While not as commonly encountered as other rare-earth oxides in optical applications, its unique characteristics make it a material of interest for future developments in both academia and industry.

<h2>Other names</h2>
<ul>
<li>Dysprosium(III) oxide</li>
<li>Didysprosium trioxide</li>
<li>Dysprosium oxide</li>
</ul>

<h2>External links</h2>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Dysprosium(III)_oxide">Dysprosium(III) oxide - Wikipedia</a></li>
<li><a href="https://www.webelements.com/compounds/dysprosium/didysprosium_trioxide.html">Didysprosium trioxide - WebElements</a></li>
</ul>
